US4563152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination matrix and interproximal sanding device
Assignee: Individual
•
Filing: 1985-01-14
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Granted: 1986-01-07
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Expires: 2005-01-14
Abstract
Abstract A combination matrix and interproximal sanding strip for use in preparing, implanting an finishing curable dental restorations, especially of the light curable type, comprising a flexible strip having opposed sides, each side having a surface coextensive therewith, adapted for insertion between proximal tooth of the side, having a smooth surface portion on one surface for contact with the proximal surfaces surrounding the prepared cavity and the restoration material to be received therein and further having a roughened surface portion on the same side for later use in abrading and removing excess, cured restorative material that has escaped the cavity preparation, without removing the strip from interproximate the teeth.
Inventors
- 👤 Scott G. McClure
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:55
CPC Classifications
A; A61; A61C; A61C3/00; A61C3/06; A61C5/00; A61C5/80; A61C5/85
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
97 words
A combination matrix and interproximal sanding device for use in curable dental restorations comprising a flexible strip having opposed sides, each side having a surface coextensive therewith, adapted for insertion between proximal tooth surfaces, having a smooth surface portion on one said side for contact with the proximal surfaces surrounding a prepared cavity and the restoration material to be received therein and further having a roughened surface portion on the same side for later use in abrading and removing excess, cured restorative material that has escaped the cavity preparation without removing said strip from interproximate said teeth.
Claim 2
Dependent Claim
97 words
A combination matrix and interproximal sanding device for use in curable dental restorations comprising a flexible strip having opposed sides, each side having a surface coextensive therewith, adapted for insertion between proximal tooth surfaces, having a smooth surface portion on one said side for contact with the proximal surfaces surrounding a prepared cavity and the restoration material to be received therein and further having a roughened surface portion on the same side for later use in abrading and removing excess, cured restorative material that has escaped the cavity preparation without removing said strip from interproximate said teeth.
Claim 3
Dependent Claim
22 words
The device of claim 1 wherein said roughened surface portion occupies a narrow, less-than-strip-wide area partially along said side of said strip.
Claim 4
Dependent Claim
34 words
The device of claim 1 wherein said smooth surface protion occupies a strip-wide area and less-than-strip-wide areas extending endwise therefrom and said roughened surface portion occupies less-than-strip-wide areas of said side of said strip.
Claim 5
Dependent Claim
22 words
The device of claim 1 wherein said roughened surface portion occupies a narrow, less-than-strip-wide area extending along said side of said strip.
Claim 6
Dependent Claim
28 words
The device of claim 1 wherein said smooth suface portion occupies a strip-wide area intermediate less-than-strip-wide roughened surface portions extending endwise therefrom along said side of said strip.
Claim 7
Dependent Claim
25 words
The device of claim 1 wherein said smooth surface portion and said roughened surface portion occupy separate strip-wide areas along said side of said strip.
Claim 8
Dependent Claim
14 words
The device of claim 6 wherein said separate areas are of substantially equal length.
Claim 9
Dependent Claim
18 words
The device of claim 1 wherein said coextensive surface on said opposite side of said strip is smooth.
Claim 10
Dependent Claim
18 words
The device of claim 1 wherein said coextensive surface on said opposite side of said strip is roughened.
References Cited (Backward Citations)
FR454604A
Cited
US2196896A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-01-06 | 1989-07-08 | 1990-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-01-06 | 1993-07-08 | 1994-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-01-06 | 1997-07-08 | 1998-01-07 | $7700.00 | Window Closed / Lapsed |